Abstract
Entropy optimization in convective viscous fluids flow due to a rotating cone is explored. Heat expression with heat source/sink and dissipation is considered. Irreversibility with binary chemical reaction is also deliberated. Nonlinear system is reduced to ODEs by suitable variables. Newton built in shooting procedure is adopted for numerical solution. Salient features velocity filed, Bejan number, entropy rate, concentration and temperature are deliberated. Numerical outcomes for velocity gradient and mass and heat transfer rates are displayed through tables. Assessments between the current and previous published outcomes are in an excellent agreement. It is noted that velocity and temperature show contrasting behavior for larger variable viscosity parameter. Entropy rate and Bejan number have reverse effect against viscosity variable. For rising values of thermal conductivity variable both Bejan number and entropy optimization have similar effect.
Highlights
Entropy optimization in convective viscous fluids flow due to a rotating cone is explored
Behaviors of variable properties on mixed convection viscous liquid flow with dissipation over a rotating cone are deliberated by Malik et al.17. Turkyilmazoglu[18] analyzed the fluctuation in heat transfer mechanism for viscous fluid flow configured by rotating disk in with porous space
Salient behaviors of thermal flux in unsteady MHD convective flow due to a rotating cone are presented by Osalusi et al.21. Turkyilmazoglu[22] addressed the radially impacted flow of viscous fluid accounted by rotating disk
Summary
(1 + εθ ) θ ′′ − Pr f θ ′ + εθ ′2 1 Pr f ′θ + Pr Ec(1 − Aθ ) 1 f ′′2 + g′2 + Pr βθ = 0,. f (0) = 0, f ′(0) = 0, g(0) = 1, θ (0) = 1, φ(0) = 1 f ′(∞) = 0, g(∞) = 0, θ (∞) = 0, φ(∞) = 0. L2 sin α∗ ν the Reynold number, Gr gβt cos α∗(T0−T∞) L3 ν2 the Grashoff number, N βc (C0−C∞) βt (T0−T∞)
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